diff --git a/apps/fo/app/pages/(with-layout)/dashboard/page.tsx b/apps/fo/app/pages/(with-layout)/dashboard/page.tsx
index 0903c9229..167df2a7b 100644
--- a/apps/fo/app/pages/(with-layout)/dashboard/page.tsx
+++ b/apps/fo/app/pages/(with-layout)/dashboard/page.tsx
@@ -60,11 +60,11 @@ export default function DashBoard() {
   const [searchYear, setSearchYear] = useState<string>(selectSearchYear[0]?.val || '0');
   // 시설명
   const [fcltyList, setFcltyList] = useState<{bscFctCd: string, bscFctNm: string, fcltyCpc: number | '', trtFrfNm: string | '', efflWqltStndrdNm: string | ''}>({
-    bscFctCd: '26260PB001R',
-    bscFctNm: '수영',
-    fcltyCpc: 452000,
-    trtFrfNm: '표준활성슬러지법, MLE, MBR',
-    efflWqltStndrdNm: '500톤 이상(Ⅳ지역)'
+    bscFctCd: '11000SW001R',
+    bscFctNm: '난지',
+    fcltyCpc: 860000,
+    trtFrfNm: '표준활성슬러지법, MLE, A2O',
+    efflWqltStndrdNm: '500톤 이상(Ⅲ지역)'
   });
 
   const [searchFcltyList, setSearchFcltyList] = useState<{bscFctCd: string, bscFctNm: string, fcltyCpc: number | '', trtFrfNm: string | '', efflWqltStndrdNm: string | ''}>({
@@ -79,11 +79,11 @@ export default function DashBoard() {
     if (!isInit) {
       initializeCommonData();
       setSearchFcltyList({
-        bscFctCd: '26260PB001R',
-        bscFctNm: '수영',
-        fcltyCpc: 452000,
-        trtFrfNm: '표준활성슬러지법, MLE, MBR',
-        efflWqltStndrdNm: '500톤 이상(Ⅳ지역)'
+        bscFctCd: '11000SW001R',
+        bscFctNm: '난지',
+        fcltyCpc: 860000,
+        trtFrfNm: '표준활성슬러지법, MLE, A2O',
+        efflWqltStndrdNm: '500톤 이상(Ⅲ지역)'
       });
     }
   }, [isInit, initializeCommonData]);
@@ -265,22 +265,22 @@ export default function DashBoard() {
 
   const initVal = () => {
     setFcltyList({
-      bscFctCd: '26260PB001R',
-      bscFctNm: '수영',
-      fcltyCpc: 452000,
-      trtFrfNm: '표준활성슬러지법, MLE, MBR',
-      efflWqltStndrdNm: '500톤 이상(Ⅳ지역)'
+      bscFctCd: '11000SW001R',
+      bscFctNm: '난지',
+      fcltyCpc: 860000,
+      trtFrfNm: '표준활성슬러지법, MLE, A2O',
+      efflWqltStndrdNm: '500톤 이상(Ⅲ지역)'
     });
 
     setSearchFcltyList({
-      bscFctCd: '26260PB001R',
-      bscFctNm: '수영',
-      fcltyCpc: 452000,
-      trtFrfNm: '표준활성슬러지법, MLE, MBR',
-      efflWqltStndrdNm: '500톤 이상(Ⅳ지역)'
+      bscFctCd: '11000SW001R',
+      bscFctNm: '난지',
+      fcltyCpc: 860000,
+      trtFrfNm: '표준활성슬러지법, MLE, A2O',
+      efflWqltStndrdNm: '500톤 이상(Ⅲ지역)'
     });
     setSearchYear(selectSearchYear[0]?.val || '0');
-    searchFcltyList.bscFctNm = '수영';
+    searchFcltyList.bscFctNm = '난지';
 
     setSidoValue('0');
     setSigunValue('0');
diff --git a/apps/fo/app/pages/(with-layout)/dashboardMain/page.tsx b/apps/fo/app/pages/(with-layout)/dashboardMain/page.tsx
index 71372672a..12bf0763c 100644
--- a/apps/fo/app/pages/(with-layout)/dashboardMain/page.tsx
+++ b/apps/fo/app/pages/(with-layout)/dashboardMain/page.tsx
@@ -12,7 +12,7 @@ export default function DashBoardFclty({ onFacilityChange, sidoSigun, facilityNm
   } = Common;
 
   // 시설명
-  const [bscFctNm, setFcltyName] = useState<string>(facilityNm || '수영');
+  const [bscFctNm, setFcltyName] = useState<string>(facilityNm || '난지');
   const [bscFctCd, setbscFctCd] = useState<string>('11000SW001R');
   const [fcltyCpc, setFcltyCpc] = useState<number | ''>(860000);
   const [trtFrfNm, setTrtFrfNm] = useState<string | ''>('표준활성슬러지법, MLE, A2O');
diff --git a/apps/fo/app/pages/(with-layout)/facilityPrecipitation/modal/page.tsx b/apps/fo/app/pages/(with-layout)/facilityPrecipitation/modal/page.tsx
index 904db73e2..980be5865 100644
--- a/apps/fo/app/pages/(with-layout)/facilityPrecipitation/modal/page.tsx
+++ b/apps/fo/app/pages/(with-layout)/facilityPrecipitation/modal/page.tsx
@@ -126,10 +126,9 @@ export default function PrecipitationModal(props: PrecipitationModalProps) {
 
       setFilteredDetailList(calcData);
       setCopyDetailList(calcData);
-      
       if (calcData.length > 0) {
         const firstDateStr = calcData[0]?.rainDt;
-        const lastDateStr = calcData[filteredList.length - 1]?.rainDt;
+        const lastDateStr = calcData[calcData.length - 1]?.rainDt;
         
         if (firstDateStr) {
           const firstDate = new Date(firstDateStr);
@@ -137,7 +136,6 @@ export default function PrecipitationModal(props: PrecipitationModalProps) {
             setStartDate(firstDate);
           }
         }
-        
         if (lastDateStr) {
           const lastDate = new Date(lastDateStr);
           if (!isNaN(lastDate.getTime())) {
@@ -148,10 +146,6 @@ export default function PrecipitationModal(props: PrecipitationModalProps) {
     }
   }, [props.detailList, props.facilityCd]);
 
-  if (!startDate || !endDate) {
-    return <div>로딩 중...</div>;
-  }
-
   return (
     <>
       <ListDiv className="!mt-5 !h-[80px]">
diff --git a/apps/fo/app/store/dashboard/index.tsx b/apps/fo/app/store/dashboard/index.tsx
index 38cd9db4e..4440b1dca 100644
--- a/apps/fo/app/store/dashboard/index.tsx
+++ b/apps/fo/app/store/dashboard/index.tsx
@@ -6,7 +6,7 @@ import { getFetch } from "@/app/components/api";
 import DataForm from "@/app/components/common/DataForm";
 import { fetchPlanInfo, roundUp } from "../common";
 import type { FacilityWaterQltyProps } from "../facilityWaterQlty";
-import { calRainEffectDay, type ApiResponse, type FlowDataItem } from "../underWaterInput";
+import { type ApiResponse, type FlowDataItem } from "../underWaterInput";
 import CalcRainEffect from "@/app/components/common/CalcRainEffect";
 
 // selectBox
@@ -1214,8 +1214,8 @@ export const dashBoardReducer:(set:(fn: (state: DashBoardType) => DashBoardType)
                         }
                     });
 
-                    const calData = calRainEffectDay(res2.data, 'SUNNY');
-                    const calRainDate = calRainEffectDay(res2.data, 'RAIN');
+                    const calData = CalcRainEffect(res2.data, 'SUNNY');
+                    const calRainDate = CalcRainEffect(res2.data, 'RAIN');
                     
                     // 지하수유입량 - 청천시 기준
                     let chungcunSumFlow = 0;